Celeron B840 vs Core i7-13700K

The Celeron B840 packs 2 cores / 2 threads, while the Core i7-13700K offers 16 cores / 24 threads — the Core i7-13700K has 14 more cores. Boost clocks reach 1.9 GHz on the Celeron B840 versus 5.4 GHz on the Core i7-13700K — a 95.9% clock advantage for the Core i7-13700K (base: 1.9 GHz vs 3.4 GHz). The Celeron B840 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core i7-13700K uses Raptor Lake, Raptor Cove, Gracemont (2022) (Intel 7 nm). In PassMark, the Celeron B840 scores 1,065 against the Core i7-13700K's 45,784 — a 190.9% lead for the Core i7-13700K. Geekbench 6 single-core — the metric most relevant to gaming — records 450 vs 2,846, a 145.4% lead for the Core i7-13700K that directly translates to higher frame rates. Multi-core Geekbench: 790 vs 18,980 (184% advantage for the Core i7-13700K). L3 cache: 2 MB (total) on the Celeron B840 vs 30 MB (total) on the Core i7-13700K.

The Celeron B840 uses the PGA988 socket (PCIe 2.0), while the Core i7-13700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Celeron B840 versus DDR5-5600 on the Core i7-13700K — the Celeron B840 supports 198.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-13700K supports up to 192 GB of RAM compared to 16 — 169.2% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Celeron B840) vs 20 (Core i7-13700K) — the Core i7-13700K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM65,HM67,QM67 (Celeron B840) and Intel Z790,Intel H770,Intel B760,Intel Z690,Intel H670,Intel B660,Intel H610 (Core i7-13700K).

Only the Core i7-13700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support true virtualization. Both include integrated graphics — Intel HD Graphics (Sandy Bridge) (Celeron B840) and Intel UHD Graphics 770 (Core i7-13700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron B840 targets Budget. Direct competitor: Celeron B840 rivals Pentium B940; Core i7-13700K rivals Ryzen 9 7900X.

The Celeron B840 launched at $86 MSRP, while the Core i7-13700K debuted at $409. At current prices ($15 vs $400), the Celeron B840 is $385 cheaper. In terms of value (PassMark points per dollar), the Celeron B840 delivers 71.0 pts/$ vs 114.5 pts/$ for the Core i7-13700K — making the Core i7-13700K the 46.9% better value option.